Best TV moments of 2012 | Mary McNamara

Colin Hutton / BBC / PBS

From the Summer Olympics to BBC imports like "Sherlock," pictured here, "Luther" and "Law & Order: UK," London has moved beyond its Big Ben-refrigerator-magnet skyline to a modern city of depth and vitality.

From the Summer Olympics to BBC imports like "Sherlock," pictured here, "Luther" and "Law & Order: UK," London has moved beyond its Big Ben-refrigerator-magnet skyline to a modern city of depth and vitality. (Colin Hutton / BBC / PBS)